THrS QUESTION PAPER CONSISTS OF FOURTEEN (14) PAGES

BFC 3082 / 32302

The traffrc flow study was conducted along Parit Raja-Ayer Hitam highway in year 2010.During data collection, the mean free speed was observed to be 60 km/h near zero density.The corresponding jam density is 140 vehlkm. Assume that the relationship of speeddensity is linear.

(i)(ii)(iii)

Write down speed{ensity and ffow-density equations.

Draw the v-k, v-q and q-k diagrams and indicate the critical values.Compute speed and density correspondine to a flow of 1000 veh/hr.(21 marks)

Q2 (a)

Describe the following terms in horizontal alignment design.

(D(ii)

Spiral.Superelevation.(4 marks)

(b)

curve joining +3 percent and -4 percent grade is to be designed

and the tangents intersect at an elevation af 76.2A mefies. Use L KA.

A vertical

(i)(iD(iii)

e3 (a)

(b)

for 120 km/hr

Calsulate the location of maximum point on the curYeAnalyze ttre location ofBVC.Determine the crest vertical curve for interval of40 metres.(21 marks)

Environment is one of the factors whish can contribute to road accident. Discuss THRBE(3) elements that should be considered in this factor.(6 marks)

Discuss the 3E approaches in reducing the number of road accidents.

(9 marks)

(c)

Describe

f'IyE

(5) stages involved in Road Safety Audit.

(10 marks)

ta

BFC 3082 I 32302

Q4 (a)

Discuss ways in the following strategies which can control and manage the usage ofparking spaces on main road.

(i)(ii)

Policy.Technology level.(15 marks)

(b)

Based on your answers in Qa(a), give your opinion of potential future developments thatbeneficial for further improvements in Malaysia.(10 marks)